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Orbital evolution of short-period comets with high values of the Tisserand constant

Published online by Cambridge University Press:  01 August 2006

N.Yu. Emel'yanenko
N.Yu. Emel'yanenko*
Affiliation:
Department of Computational and Celestial Mechanics, South Ural University, 76 Pr. Lenina, Chelyabinsk, Russia email: emel@math.susu.ac.ru
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Abstract

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The orbital evolution of comets with high values of the Tisserand constant is studied for a time interval of 800 years. Scenarios of dynamical evolution are obtained for 85 comets. Particular features of the orbital evolution of the comets of this class are singled out. The orbits of all comets are tangent to the orbit of Jupiter and have a steadily low inclination. For 80% of comets, the evolution scenario includes a timespan in which the comets move in low-eccentricity orbits. The possibility is analyzed of a change in the Tisserand constant and of a transition of the comet to be controlled by other giant planets.

Keywords

Evolutionshort-period cometcyclic transformation
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 2 , Symposium S236: Near Earth Objects, our Celestial Neighbors: Opportunity and Risk , August 2006 , pp. 35 - 42
Copyright
Copyright © International Astronomical Union 2007

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